调和分析 tiáo hé fēn xī

DEFINITIONS

  1. harmonic analysis (math.)

CHARACTERS

调 tiáo
HSK 3
transfer, move, change; tune
和 hé
HSK 1
harmony, peace; peaceful, calm
分 fēn
HSK 1
divide; small unit of time etc.
析 xī
HSK 5
split wood; break apart; divide